Portable shade structure



FIG. 1 shows a front elevational view of the portable shade structureshowing my new design;

FIG. 2 shows a side elevational view thereof;

FIG. 3 shows a perspective view thereof; and,

FIG. 4 shows a perspective view thereof with a shade cover attached, itbeing understood that the attached shade cover is for illustrativepurposes only to show the environment in which the claimed design isused, the shade forming no part of the claimed design.

Portions of the claimed design are shown separated using line breaks toindicate indeterminate length.

The ornamental design for a portable shade structure, as shown anddescribed.